JP2000079327A - リ―ンバ―ン・エンジン用NOxトラップ触媒 - Google Patents
リ―ンバ―ン・エンジン用NOxトラップ触媒Info
- Publication number
- JP2000079327A JP2000079327A JP11226695A JP22669599A JP2000079327A JP 2000079327 A JP2000079327 A JP 2000079327A JP 11226695 A JP11226695 A JP 11226695A JP 22669599 A JP22669599 A JP 22669599A JP 2000079327 A JP2000079327 A JP 2000079327A
- Authority
- JP
- Japan
- Prior art keywords
- nox
- oxide
- trap
- platinum
- exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20715—Zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/134,992 US6129898A (en) | 1998-08-17 | 1998-08-17 | NOx trap catalyst for lean burn engines |
US09/134992 | 1998-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000079327A true JP2000079327A (ja) | 2000-03-21 |
Family
ID=22465997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11226695A Withdrawn JP2000079327A (ja) | 1998-08-17 | 1999-08-10 | リ―ンバ―ン・エンジン用NOxトラップ触媒 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6129898A (de) |
EP (1) | EP0980707B8 (de) |
JP (1) | JP2000079327A (de) |
DE (1) | DE69932387T2 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017501032A (ja) * | 2013-12-16 | 2017-01-12 | ビーエーエスエフ コーポレーション | マンガン含有ディーゼル酸化触媒 |
WO2019160125A1 (en) * | 2018-02-15 | 2019-08-22 | Sumitomo Chemical Company, Limited | Inorganic oxide |
WO2019160124A1 (en) * | 2018-02-15 | 2019-08-22 | Sumitomo Chemical Company, Limited | Inorganic oxide |
US10500562B2 (en) * | 2018-04-05 | 2019-12-10 | Magnesium Elektron Ltd. | Zirconia-based compositions for use in passive NOx adsorber devices |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6444609B1 (en) * | 2000-08-15 | 2002-09-03 | Aer Energy Resources, Inc. | Manganese-based oxygen reduction catalyst, metal-air electrode including said catalyst and methods for making the same |
GB0028240D0 (en) | 2000-11-20 | 2001-01-03 | Johnson Matthey Plc | Three-way catalyst composition |
US6727202B2 (en) | 2001-08-21 | 2004-04-27 | Engelhard Corporation | Enhanced NOx trap having increased durability |
US6553757B1 (en) | 2001-11-19 | 2003-04-29 | Ford Global Technologies, Llc | NOx purge air/fuel ratio selection |
US7329629B2 (en) | 2002-10-24 | 2008-02-12 | Ford Global Technologies, Llc | Catalyst system for lean burn engines |
DE10308571B4 (de) * | 2003-02-24 | 2014-05-08 | Volkswagen Ag | Verfahren zur Herstellung eines Komposit-Materials für die Speicherung von Stickoxiden, mit dem Verfahren hergestelltes Kompositmaterial sowie seine Verwendung |
WO2004096435A1 (en) * | 2003-04-29 | 2004-11-11 | Johnson Matthey Public Limited Company | Manganese ozone decomposition catalysts and process for its preparation |
US20040258611A1 (en) * | 2003-06-23 | 2004-12-23 | Mark Barrow | Colloidal composite sol gel formulation with an expanded gel network for making thick inorganic coatings |
GB0413771D0 (en) * | 2004-06-21 | 2004-07-21 | Johnson Matthey Plc | Metal oxide sols |
GB0413767D0 (en) * | 2004-06-21 | 2004-07-21 | Johnson Matthey Plc | Metal oxide sols |
JP4800853B2 (ja) * | 2005-12-28 | 2011-10-26 | 株式会社デンソー | ガスセンサ素子 |
CN101596403B (zh) * | 2009-06-23 | 2012-02-01 | 山东大学 | 一种金属氧化物催化剂用于选择性催化还原NOx的应用 |
US10335776B2 (en) * | 2013-12-16 | 2019-07-02 | Basf Corporation | Manganese-containing diesel oxidation catalyst |
CN107405606B (zh) * | 2015-02-09 | 2021-09-10 | 巴斯夫公司 | 柴油机氧化催化剂 |
GB2574185B (en) * | 2018-04-05 | 2022-06-29 | Magnesium Elektron Ltd | Zirconia-Based mixed or composite oxides as passive NOx adsorbents |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3764562A (en) * | 1971-04-12 | 1973-10-09 | Chevron Res | Hydrocarbon conversion catalyst |
US3873469A (en) * | 1972-04-12 | 1975-03-25 | Corning Glass Works | Support coatings for catalysts |
IT996924B (it) * | 1972-12-21 | 1975-12-10 | Glaverbel | Procedimento per formare uno strato di ossido metallico |
US4018706A (en) * | 1975-07-21 | 1977-04-19 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalysts for purifying exhaust and waste gases |
SE433178B (sv) * | 1975-10-31 | 1984-05-14 | Johnson Matthey Co Ltd | Katalysator for rening av bilavgaser av den allmenna typen a?71xm?71yo?71z |
JPS52122293A (en) * | 1976-04-08 | 1977-10-14 | Nippon Shokubai Kagaku Kogyo Co Ltd | Catalyst for purifying nox |
CA1217927A (en) * | 1983-04-15 | 1987-02-17 | Tsutomu Nanao | Inorganic composite material and process for preparing the same |
JPS62106826A (ja) * | 1985-11-06 | 1987-05-18 | Nippon Shokubai Kagaku Kogyo Co Ltd | デイ−ゼル排ガス中の窒素酸化物を除去する方法 |
US4791091A (en) * | 1987-09-30 | 1988-12-13 | Allied-Signal Inc. | Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst |
EP0333037B1 (de) * | 1988-03-12 | 1994-06-22 | Igarashi, Akira c/o Kohgakuin University | Verfahren zur Dampfreformierung von Kohlenwasserstoffen |
US4900712A (en) * | 1988-09-30 | 1990-02-13 | Prototech Company | Catalytic washcoat and method of preparation of the same |
EP0362960A3 (de) * | 1988-10-05 | 1990-06-27 | Sakai Chemical Industry Co., Ltd., | Anwendung vom Katalysator zur Denitrierung und Denitrierungskatalysatoren |
ATE110586T1 (de) * | 1989-06-09 | 1994-09-15 | N E Chemcat Corp | Abgasreinigungskatalysator mit ausgezeichneter thermischer beständigkeit und verfahren zu seiner herstellung. |
TW209182B (de) * | 1990-09-29 | 1993-07-11 | Catalyst co ltd | |
AU650794B2 (en) * | 1991-10-03 | 1994-06-30 | Toyota Jidosha Kabushiki Kaisha | Device for purifying exhaust of internal combustion engine |
JP3098083B2 (ja) * | 1991-12-26 | 2000-10-10 | マツダ株式会社 | 排気ガス浄化用触媒 |
EP0630422B1 (de) * | 1992-03-13 | 1996-05-08 | E.I. Du Pont De Nemours And Company | Verfahren zur Herstellung von dünnen Ueberzügen aus anorganischen Oxiden kontrollierter Stöchiometrie |
EP0613714B1 (de) * | 1993-01-11 | 2001-07-04 | Toyota Jidosha Kabushiki Kaisha | Verfahren zur Reinigung von Abgasen |
DE4436890A1 (de) * | 1994-10-15 | 1996-04-18 | Degussa | Verfahren zur gleichzeitigen Verminderung der im Abgas einer Verbrennungskraftmaschine enthaltenen Kohlenwasserstoffe, Kohlenmonoxid und Stickoxide |
US5578283A (en) * | 1994-12-30 | 1996-11-26 | Engelhard Corporation | Catalytic oxidation catalyst and method for controlling VOC, CO and halogenated organic emissions |
EP0727248B1 (de) * | 1995-02-17 | 1998-08-19 | ICT Co., Ltd. | Katalysator zur Reinigung von Dieselmotorabgas |
US5727385A (en) * | 1995-12-08 | 1998-03-17 | Ford Global Technologies, Inc. | Lean-burn nox catalyst/nox trap system |
FR2750058B1 (fr) * | 1996-06-21 | 1998-10-16 | Rhone Poulenc Chimie | Procede de traitement de gaz pour la reduction des emissions des oxydes d'azote |
-
1998
- 1998-08-17 US US09/134,992 patent/US6129898A/en not_active Expired - Fee Related
-
1999
- 1999-08-10 JP JP11226695A patent/JP2000079327A/ja not_active Withdrawn
- 1999-08-16 DE DE69932387T patent/DE69932387T2/de not_active Expired - Fee Related
- 1999-08-16 EP EP99306393A patent/EP0980707B8/de not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017501032A (ja) * | 2013-12-16 | 2017-01-12 | ビーエーエスエフ コーポレーション | マンガン含有ディーゼル酸化触媒 |
WO2019160125A1 (en) * | 2018-02-15 | 2019-08-22 | Sumitomo Chemical Company, Limited | Inorganic oxide |
WO2019160124A1 (en) * | 2018-02-15 | 2019-08-22 | Sumitomo Chemical Company, Limited | Inorganic oxide |
JP2021513945A (ja) * | 2018-02-15 | 2021-06-03 | 住友化学株式会社 | 無機酸化物 |
JP2021515737A (ja) * | 2018-02-15 | 2021-06-24 | 住友化学株式会社 | 無機酸化物 |
US10500562B2 (en) * | 2018-04-05 | 2019-12-10 | Magnesium Elektron Ltd. | Zirconia-based compositions for use in passive NOx adsorber devices |
Also Published As
Publication number | Publication date |
---|---|
DE69932387D1 (de) | 2006-08-31 |
DE69932387T2 (de) | 2008-01-03 |
EP0980707B1 (de) | 2006-07-19 |
EP0980707B8 (de) | 2007-06-13 |
US6129898A (en) | 2000-10-10 |
EP0980707A1 (de) | 2000-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20050107 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060804 |
|
A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20070516 |